The pool was poured Thursday. Initially, the plan was that the builders will do the first watering. They finished later then expected, said the concrete was too wet to water, and I should water it Friday. I watered Friday morning and afternoon (it was extremely dry and windy). While watering Saturday, I noticed a few spots that are lighter/look "dry" compared to the rest of the pool (concentrated on the edges of the spa - seats and step, but a few spots in other places as well). Is this really bad? Also, what is the proper way to water?